ί 08319 Α7 -------------- Β7_ 五、發明說明（丨） 本發明是有關於一種充氣輪胎，其包含一包裝穿孔密 封層，以及關於該輪胎的製法。 在曰本早期公開專利申請編號8-323875中已經提出一 種用來製造輪胎的方法，該輪胎具有一密封流體層以用來 自行密封胎面的穿孔，其中該輪胎在其胎面內提供一袋狀 部位’該袋狀部位在製造以及硬化輪胎的過程中是平坦的 ，但是在輪胎硬化之後，一種密封流體注入其中而塡滿。 該袋狀部位乃介於胎體以及內襯墊之間的一未結合的部位 ’其形成乃施加滑石（一種作爲輪胎以及模之間的剝離劑) 來防止它們結合在一起。 然而，在此方法之中，要穩定並且準確的形成一袋狀 部位是相當困難的。如果滑石的施加量不足的話，未結合 部位就不會形成。因此，滑石的施加量傾向於比足夠的還 要多。結果，內襯墊以及胎體之間的結合就有可能變得部 分不足。 因此本發明的一個目標就是提供一種充氣輪胎及其製 法，其中注入自行密封材料的袋狀部位可以準確並且穩定 地形成，而不會降低生產的效率。 根據本發明的一方面，一種充氣輪胎包含： 一胎面部分， 一環狀抗黏附片，其沿著該輪胎的內部埋入該胎面部 份中，該環狀抗黏附片是由不會與相鄰的橡膠緊密黏附的 材料所製成’如此以形成一袋狀部位，做爲一未結合部位 而在該輪胎的圓周方向上連續地延伸， ____ —____ 4 本紙張尺度^用中國國家標準（CNS)A4規格（210 X 297公爱〉 ^ -- (請先閱讀背面之注意事項再填寫本頁) 0 I i H «^1 n n I n I n ϋ n n n n n ϋ 508319 A7 B7 五、發明說明（少） 該袋狀部位塡充以自行密封材料，以用來自行密封穿 孔，以及 該環狀抗黏附片具有接合的圓周端，以及在該接合部 位中，該圓周端中至少徑向向內安置的圓周端具有一邊緣 ，其相對於該抗黏附片的寬度方向呈傾斜30°到60°的角度 根據本發明的另一方面，一種充氣輪胎的製造方法包 含以下步驟··製造一生胚的輪胎，其包含埋入該抗黏附片 的步驟；硬化該生胚的輪胎；以及在該輪胎硬化之後將自 行密封材料注入該袋狀部位。 伴隨著以下的圖式，將會更進一步詳細描述本發明的 實施例。 圖1是根據本發明的充氣輪胎的剖面側視圖。 圖2是抗黏附片的示意立體圖。 圖3是展開的抗黏附片的立體圖。 圖4A以及4B是剖面側視圖，用來說明在接合該抗黏 附層所遭遇的問題。 圖5到11是用來說明根據本發明的製造充氣輪胎的方 法。 符號說明 1 :充氣輪胎 Μ :環形 2 :胎面部位 2S :胎面表面 (請先閱讀背面之注意事項再填寫本頁) 訂-------線. ^08319 A7 _B7 五、發明說明（）） 2G :胎面橡膠 (請先閱讀背面之注意事項再填寫本頁) 3 :側壁部位 3G :側壁橡膠 4 :胎唇部位 5:包裝片 5a :軸邊緣部位 5b :中間部位 6:自行密封材料 7 :橡膠層 8 :胎體 8 a ·胎體繩索 9 :皮帶 9a :繩索 10 :胎唇核心 11 :胎唇尖頂 12 :密封片 13 :抗黏附片 13A、13B :圓周端部位 14 :重疊部位 15 :注入孔 16 :圓周邊緣 19 :補充橡膠帶 20 :輪胎製造圓筒 22 :注入器 本紙張尺度適闬中國國家標準（CNS)A4規格（210 X 297公釐） ^08319 A7 __B7_ 五、發明說明（4) (請先閱讀背面之注意事項再填寫本頁) D :厚度減少 i:重疊部位的大小 L0 :寬度 N:胎面表面垂直線 Te :胎面邊緣 Y :內側寬度 Θ :角度 根據本發明’一充氣輪胎1具有：一胎面部位2 ’ 一 側壁部位3從每一胎面邊緣Te或從胎面部位2的軸邊徑向 地向內延伸，以及一胎唇部位4位於每一側壁部位3的徑 向內側端。藉由在胎唇部丨1 4之間延伸的胎體8來強化t輪 胎1，以及在胎體8之中，一不透氣內襯墊置於其中。 如圖1所示的實施例之中’輪胎1是一種摩托車輪胎 ，其胎面部位2相對於載客汽車輪胎而言是以一比較小曲 率半徑來加以彎曲，以及輪胎的最大寬度是位於胎面邊緣 Te之間。 胎體8包含至少一簾布層的胎體繩索8a，其在胎唇部 位4之間延伸，經過該胎面部位2以及側壁部位3，並且 在每一個胎唇部位4的胎唇核心1〇繞起來而固定在此。關 於該胎體結構，可以使用一徑向或半徑向的結構，其中胎 體繩索以相對於輪胎圓周方向呈70。到90。的角度排列，以 及可以使用一偏壓結構，其包含至少兩個交叉簾布層的胎 體繩索，其以相對於輪胎圓周方向呈35。到70。的角度排列 。在本實施例中，胎體8是由單一簾步層8a的徑向結構所 ____7____ 本紙張尺度適用中國國家標準(CNS)A4規格（210 X 297公釐）^ ^08319 A7 _____B7________ 五、發明說明（< ) 構成' 在胎面部位2中，一皮帶9可以徑向地放置於胎體8 的外側以增強該胎面部位2，其中該皮帶9是定義成包含 至少一簾布層的繩索9a，其以相對於輪胎圓周方向呈Μ到 70°的角度安排，及/或包含至少一簾布層的纏繞的繩索9a ，其以相對於輪胎圓周方向以較小的角度纏繞(大約是1〇° 到0°)。該胎面強化皮帶9是可選擇的。根據輪胎的結構、 所需的特性以及類似的性質，省略掉此種皮帶結構是有可 能的。 在本實施例中，配置一單一皮帶簾布層9a(虛線)延伸 經過實質上整個胎面部位2的寬度。 在每一胎唇部位4中，一由徑向向外漸細之硬質橡膠 所製成的胎唇尖頂Π是徑向地安置於上述胎唇核心10的 外面。 之前所提及的不透氣內襯墊包含：一橡膠層7，延伸 經過整個輪胎內部；一抗黏附片13，埋入該橡膠層7之中 以形成一袋狀部位；以及一自行密封材料6，塡滿該袋狀 部位以形成一穿孔密封層。 該抗黏附片13在輪胎圓周方向上連續地延伸，以及是 由不會與橡膠層7的硬化橡膠緊密黏附的材料所製成，並 且在製造生胚輪胎以及輪胎硬化期間，其可以伴隨著附近 橡膠的伸展而伸展。因此當一 400克（/ 8mm寬度)的荷重 施加在片狀物13上時，其伸長率最好不低於20%。 對於抗黏附片13而言，最好使用一聚氟乙烯樹脂膜。 (請先閱讀背面之注意事項再填寫本頁) 0 訂！-----線]· -n I n n n IK —8 n ϋ n · 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 508319 A7 B7 五、發明說明（V ) 再者，_也可以使用譬如由尼龍-6所製成的尼龍膜。表1說 明了這種尼龍膜具體實例的各種性質。在這個尼龍膜的例 子中，即使其厚度降至很低的0.25微米時，該尼龍膜還是 可以完全運作成抗黏附片13。然而就實際而言，就處理上 還是將其厚度提高。一般而言，包含聚氟乙烯樹脂膜、尼 龍膜以及類似者的這種塑膠膜的厚度是定在〇.〇5mm到 H5mm之間，譬如0.1mm。再者，除了上述的材料之外， 其他材料也可以用來做爲抗黏附片13,譬如由聚乙烯或類 似材料所製成的膜，其浸滲以一橡膠剝離劑或以一表面完 工處理，如此使其不會黏附在橡膠上。 丨 ί------!·-------- (請先閱讀背面之注意事項再填寫本頁) 31_ 一——— 單位 値 量測方法 密度 g/cm3 1.13 梯度密度管法 熔點 °C 215 拉伸強度 kg/mm2 6-9 ASTM-D882 伸長率 % 300-400 ASTM-D882 楊氏係數 kg/mm2 45-55 ASTM-D882 _裂強度 g 50-60 ASIM-D1922 衝擊強度 kg-cm/mm 1600 墜球撞擊法 水蒸氣穿透性 g/m2-day-0.1mm 60-80 JIS-Z208，40°C，相對溼度 90% 氧穿透性 Ττ cc/m2-day-atm-0.1mm 6 AS1M-D1434，2(TC，乾燥 Wayes % 4-6 JIS-K6718 數 - 0.5-0.7 (厚度30微米，2(TC，相對溼度65%) 線 在本實施例中，上述襯墊的橡膠層7是由一沿著胎體 8內表面放置的密封片12以及一放置於密封片12內部的 包裝片5所製成。 家標準（CNS)A4 規格(210 X 29?公釐） 508319 A7 ， _____B7 —___ 五、發明說明（γ ) 該密封片12是由一不透氣的橡膠化合物所製成’並且 延伸覆蓋胎體8的整個內部，而具有一實質均勻的厚度， 其範圍在〇.5mm到2.0mm之間。 對於該不透氣橡膠化合物而言’最好使用丁基橡膠化 合物，例如丁基橡膠、鹵化丁基橡膠、溴化丁基橡膠以及 類似者。 該包裝片5延伸跨越至少80%、最好是100%或更多 的胎面部位2的內側寬度Y。該內側寬度的定義是如圖1 所示介於在胎面邊緣Te向胎面表面2S劃的垂直線N之間 的距離。 最好該包裝片5是由上述的不透氣橡膠化合物所製成 。因此，在本實施例之中，使用與包裝片5 —樣的橡膠化 合物。然而其他化合物，譬如二烯橡膠化合物(例如苯乙烯 -丁二烯橡膠和類似者），可以單獨使用或與上述的丁基橡 膠化合物結合使用，只要在輪胎硬化期間可以藉由熱量將 其與不透氣橡膠片12融合即可。 該包裝片5的厚度是定在0.5mm到2.0mm之間，最好 是1.0mm到1.5mm之間。如果包裝片5的厚度少於〇 5mm 的話，其強度會變得不足，而很難固定自行密封材料6。 如果厚度大於2.0mm的話，在該地面接觸嵌片中自行密圭寸 材料6的厚度會傾向於減少，並且輪胎的重量會不當地^ 加。 該包裝片5的兩個軸邊緣部位Sa會與密封片12 _目_ 觸並且在此結合。但是，由於抗黏附片13的存在，其 (請先閱讀背面之注意事項再填寫本頁) # 訂----^----線· 10 508319 A7 —_ _;_B7__ 五、發明說明（¾ ) 中間部位5b就不會結合因而形成該袋狀部位或一個空間， 其在圓周的方向上連續地延伸，並且塡充以自行密封材料 6 〇 每一'個接合邊緣部位5a的寬度L0是疋在4.0mm到 10.0mm之間，最好是5.0mm到7.0mm之間。如果接合部 位5a的寬度L0少於4.0mm的話，其結合強度會不足。如 果寬度L0大於10.0mm的話，則輪胎的重量會不當地增加 〇 當抗黏附片13置於包裝片5以及密封片12之間時， 在硬化該輪胎期間，中間部位5b則被防止與密封片12結 合，並且因此該袋狀部位可以準確地形成。 關於該抗黏附片13的厚度，當胎面部位是如上述方式 彎曲時，在胎面邊緣部位發生穿孔的機會通常小於在中間 的部位。因此，該片狀物13可以比胎面部位2的整個寬度 Y來得窄。然而，當胎面部位比較平坦的時候，或在載客 汽車輪胎或類似的情況之下，最好是該片狀物13延伸過胎 面部位2的整個寬度。 在本實施例中，如圖2所顯示，該抗黏附片13的圓周 端部位13A以及13B是彼此互相重疊並在輪胎圓周方向上 連續延伸。兩個圓周邊緣16相對於片狀物13的寬度方向 都傾斜一相同角度Θ，其範圍在30。到60°之間。因此，如 同圖3中所顯示當展開之後，該抗黏附片13會是平行四邊 形。ί 08319 Α7 -------------- Β7_ V. Description of the Invention (丨) The present invention relates to a pneumatic tire, which includes a packaging perforated sealing layer, and a method for manufacturing the tire. A method for manufacturing a tire has been proposed in Japanese Early Published Patent Application No. 8-323875, which has a layer of sealing fluid for sealing the perforations of the tread by itself, wherein the tire provides a bag in its tread "Pocket-shaped portion" The pouch-shaped portion is flat during the manufacturing and hardening of the tire, but after the tire hardens, a sealing fluid is poured thereinto and filled. The pouch-like portion is an unbonded portion between the carcass and the inner liner. Its formation is the application of talc (a kind of release agent between the tire and the mold) to prevent them from joining together. However, in this method, it is quite difficult to form a bag-like portion stably and accurately. If the amount of talc applied is insufficient, unbonded sites will not be formed. Therefore, the amount of talc applied tends to be more than sufficient. As a result, the bonding between the inner pad and the carcass may become partially insufficient. It is therefore an object of the present invention to provide a pneumatic tire and a method for manufacturing the same, in which a bag-shaped portion injected with a self-sealing material can be accurately and stably formed without reducing production efficiency. According to an aspect of the present invention, a pneumatic tire includes: a tread portion, and a ring-shaped anti-adhesion sheet embedded in the tread portion along the inside of the tire. The material closely adhered to the adjacent rubber is made of 'so as to form a bag-shaped portion, as an unbonded portion, continuously extending in the circumferential direction of the tire, ____ —____ 4 This paper size ^ uses the Chinese country Standard (CNS) A4 specification (210 X 297 public love) ^-(Please read the precautions on the back before filling this page) 0 I i H «^ 1 nn I n I n ϋ nnnnn ϋ 508319 A7 B7 V. Invention Explanation (less) The bag-shaped part is filled with a self-sealing material for self-sealing the perforation, and the annular anti-adhesive sheet has a joined circumferential end, and in the joined part, the circumferential end is at least radially directed The circumferential end disposed inside has an edge that is inclined at an angle of 30 ° to 60 ° with respect to the width direction of the anti-adhesive sheet. According to another aspect of the present invention, a method for manufacturing a pneumatic tire includes the following steps. Tires, Including the step of embedding the anti-adhesive sheet; hardening the green tire; and injecting a self-sealing material into the bag-shaped portion after the tire is hardened. With the following drawings, the implementation of the present invention will be described in further detail. Example: Fig. 1 is a sectional side view of a pneumatic tire according to the present invention. Fig. 2 is a schematic perspective view of an anti-adhesive sheet. Fig. 3 is a perspective view of an unfolded anti-adhesive sheet. Figs. 4A and 4B are cross-sectional side views for explaining Problems encountered in joining this anti-adhesive layer. Figures 5 to 11 are for explaining the method for manufacturing a pneumatic tire according to the present invention. Symbol description 1: Pneumatic tire M: Ring 2: Tread part 2S: Tread surface (please first Read the precautions on the back and then fill out this page) Order ------- line. ^ 08319 A7 _B7 V. Description of the invention ()) 2G: Tread rubber (Please read the precautions on the back before filling out this page) 3 : Sidewall part 3G: sidewall rubber 4: tire lip part 5: packing sheet 5a: shaft edge part 5b: middle part 6: self-sealing material 7: rubber layer 8: carcass 8 a · carcass rope 9: belt 9a: rope 10: Fetal lip core 11: Fetal lip tip Top 12: Sealing sheet 13: Anti-adhesion sheet 13A, 13B: Circumferential end part 14: Overlap part 15: Injection hole 16: Circumferential edge 19: Supplementary rubber band 20: Tire manufacturing cylinder 22: Injector This paper is suitable for China National Standard (CNS) A4 specification (210 X 297 mm) ^ 08319 A7 __B7_ V. Description of the invention (4) (Please read the precautions on the back before filling out this page) D: Reduced thickness i: The size of the overlapping part L0: Width N: tread surface vertical line Te: tread edge Y: inside width Θ: angle according to the present invention 'a pneumatic tire 1 has: a tread portion 2' and a sidewall portion 3 from each tread edge Te or from the tire The axial edge of the surface portion 2 extends radially inward, and a bead lip portion 4 is located at a radially inner end of each side wall portion 3. The t-wheel tire 1 is reinforced by a carcass 8 extending between the lip portions 114, and in the carcass 8, an air-impermeable inner liner is placed therein. In the embodiment shown in FIG. 1, 'tire 1 is a motorcycle tire, and its tread portion 2 is bent with a relatively small radius of curvature relative to passenger car tires, and the maximum width of the tire is Tread edge between Te. The carcass 8 includes a carcass cord 8 a of at least one ply, which extends between the lip portions 4, passes through the tread portion 2 and the sidewall portion 3, and is wound around the lip core 10 of each lip portion 4 Get up and fix here. As for the carcass structure, a radial or radial structure may be used, in which the carcass rope is 70 with respect to the tire circumferential direction. To 90. And can use a biasing structure that includes a carcass cord of at least two cross plies, which is 35 relative to the tire circumferential direction. To 70. Angle of. In this embodiment, the carcass 8 is formed by the radial structure of a single ply 8a. ____7____ This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) ^ 08383 A7 _____B7________ 5. Invention Explanation < " Composition " In the tread portion 2, a belt 9 may be placed radially outside the carcass 8 to reinforce the tread portion 2, wherein the belt 9 is a rope defined to include at least one ply 9a, which is arranged at an angle of M to 70 ° with respect to the circumferential direction of the tire, and / or a wound rope 9a including at least one ply, which is wound at a smaller angle with respect to the circumferential direction of the tire (about 1 °). ° to 0 °). This tread reinforcing belt 9 is optional. Depending on the structure of the tire, the required characteristics, and similar properties, it may be possible to omit such a belt structure. In this embodiment, a single belt ply 9a (dashed line) is provided to extend over substantially the entire width of the tread portion 2. In each lip portion 4, a lip tip Π made of hard rubber tapering radially outward is disposed radially outside the core lip 10 described above. The previously mentioned air-impermeable inner liner includes: a rubber layer 7 extending through the entire interior of the tire; an anti-adhesive sheet 13 embedded in the rubber layer 7 to form a bag-shaped portion; and a self-sealing material 6 Fill the bag-shaped part to form a perforated sealing layer. The anti-adhesion sheet 13 extends continuously in the tire circumferential direction, and is made of a material that does not adhere to the hardened rubber of the rubber layer 7 tightly, and it can accompany the vicinity during the manufacture of the green tire and the hardening of the tire The rubber stretches and stretches. Therefore, when a load of 400 g (/ 8 mm width) is applied to the sheet 13, its elongation is preferably not less than 20%. For the anti-adhesive sheet 13, a polyvinyl fluoride resin film is preferably used. (Please read the notes on the back before filling this page) 0 Order! ----- line] · -n I nnn IK —8 n ϋ n · This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) 508319 A7 B7 V. Description of the invention (V) You can also use nylon membranes made of nylon-6, for example. Table 1 illustrates various properties of specific examples of this nylon film. In this example of the nylon film, the nylon film can be fully operated as an anti-adhesive sheet 13 even when its thickness is reduced to a very low 0.25 m. However, in practice, the thickness is increased in terms of processing. Generally speaking, the thickness of such a plastic film containing a polyvinyl fluoride resin film, a nylon film, and the like is set between 0.05 mm and H5 mm, such as 0.1 mm. Furthermore, in addition to the materials described above, other materials can also be used as the anti-adhesive sheet 13, such as a film made of polyethylene or similar materials, which is impregnated with a rubber release agent or a surface finish So that it will not stick to the rubber.丨 ί ------! · -------- (Please read the precautions on the reverse side before filling out this page) 31_ — — Unit Unit Measurement Method Density g / cm3 1.13 Gradient Density Tube Method Melting point ° C 215 Tensile strength kg / mm2 6-9 ASTM-D882 Elongation% 300-400 ASTM-D882 Young's coefficient kg / mm2 45-55 ASTM-D882 _Crack strength g 50-60 ASIM-D1922 Impact strength kg -cm / mm 1600 Drop ball impact water vapor permeability g / m2-day-0.1mm 60-80 JIS-Z208, 40 ° C, relative humidity 90% oxygen permeability ττ cc / m2-day-atm- 0.1mm 6 AS1M-D1434, 2 (TC, dry Wayes% 4-6 JIS-K6718 number-0.5-0.7 (thickness 30 microns, 2 (TC, relative humidity 65%) wire In this embodiment, the The rubber layer 7 is made of a sealing sheet 12 placed along the inner surface of the carcass 8 and a packaging sheet 5 placed inside the sealing sheet 12. Home Standard (CNS) A4 Specification (210 X 29? Mm) 508319 A7, _____B7 —___ V. Description of the Invention (γ) The sealing sheet 12 is made of a gas-impermeable rubber compound and extends to cover the entire interior of the carcass 8 and has a substantially uniform thickness in the range of 0. .5 mm to 2.0 mm. For the air-impermeable rubber compound, it is preferred to use butyl rubber compounds such as butyl rubber, halogenated butyl rubber, brominated butyl rubber and the like. The packaging sheet 5 extends across at least 80%, preferably 100% or more, of the inner width Y of the tread portion 2. The inner width is defined as shown in FIG. 1 between the vertical line N drawn from the tread edge Te to the tread surface 2S. The packaging sheet 5 is preferably made of the above-mentioned air-impermeable rubber compound. Therefore, in this embodiment, the same rubber compound as the packaging sheet 5 is used. However, other compounds such as diene rubber Compounds (such as styrene-butadiene rubber and the like) may be used alone or in combination with the above-mentioned butyl rubber compound, as long as they can be fused with the air-impermeable rubber sheet 12 by heat during the tire hardening. The thickness of the packaging sheet 5 is set between 0.5mm and 2.0mm, preferably between 1.0mm and 1.5mm. If the thickness of the packaging sheet 5 is less than 0.05mm, its strength will become insufficient and it will be difficult Fixing self-sealing material 6 If the thickness is greater than 2.0 mm, the thickness of the material 6 in the ground contact insert will tend to decrease, and the weight of the tire will increase improperly. The two shaft edge portions Sa of the packaging sheet 5 will come into contact with the sealing sheet 12 _ mesh _ and be combined here. However, due to the existence of the anti-adhesive sheet 13, (please read the precautions on the back before filling this page) # ORDER ---- ^ ---- LINE · 10 508319 A7 —_ _; _ B7__ 5. Description of the invention ( ¾) The middle portion 5b will not be combined to form the bag-shaped portion or a space, which continuously extends in the circumferential direction, and is filled with a self-sealing material 60. The width L0 of each of the joint edge portions 5a is疋 is between 4.0mm and 10.0mm, preferably between 5.0mm and 7.0mm. If the width L0 of the joint portion 5a is less than 4.0 mm, the bonding strength will be insufficient. If the width L0 is greater than 10.0 mm, the weight of the tire may be increased improperly. When the anti-adhesion sheet 13 is placed between the packing sheet 5 and the sealing sheet 12, the intermediate portion 5b is prevented from being contacted with the sealing sheet during the curing of the tire 12 is combined, and thus the bag-shaped portion can be formed accurately. Regarding the thickness of the anti-adhesive sheet 13, when the tread portion is bent as described above, the chance of perforation at the edge portion of the tread is generally smaller than that at the middle portion. Therefore, the sheet 13 can be narrower than the entire width Y of the tread portion 2. However, when the tread portion is relatively flat, or in the case of a passenger car tire or the like, it is preferable that the sheet 13 extends over the entire width of the tread portion 2. In this embodiment, as shown in Fig. 2, the circumferential end portions 13A and 13B of the anti-adhesive sheet 13 overlap each other and extend continuously in the tire circumferential direction. Both circumferential edges 16 are inclined at the same angle Θ with respect to the width direction of the sheet 13, and the range is 30. To 60 °. Therefore, as shown in FIG. 3, when expanded, the anti-adhesive sheet 13 will be a parallelogram.
該自行密封材料6是一種黏滯性材料，其在常溫(20°C ______11 ___ 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注音？事項再填寫本頁) ;· 訂』*---l·-----線—應 508319 B7 五、發明說明（7 ) )之下是液體，並且在20°C特具有一黏滯係數從2.〇到 10.0mPa-S，如此能在-2(TC到60°C之較大的溫度範圍下密 封穿孔。 在輪胎硬化之後爲了將上述的自行密封材料注入該袋 狀部位中，內向相鄰的橡膠層(在本實施例中是包裝片5)乃 事先穿透一注入孔15。 首先，上述的包裝片5之形成乃藉著剪裁如圖5所示 的特定長度及寬度的橡膠片。在剪裁期間或之後，一直徑 2mm到8mm之間的貫通孔15形成在包裝片5寬度方向上 的中央位置。 該包裝片5纏繞在一輪胎製造圓筒20的圓柱外表面之 上，以及將其圓周端接合在一起。 如圖6所示，在包裝片5之上，傾斜地施加一窄短的 補充橡膠帶19。該補充橡膠帶19是由與包裝片5相同的 材料所製成，其厚度定在0.5mm到2.0mm之間。該補充橡 膠帶19的傾斜度與抗黏附片13的圓周端部位13A的邊緣 16是一樣的。 接下來，該黏附片13纏繞在該包裝片5之上，使得該 圓周端部位13A的傾斜邊緣16放在該補充橡膠帶19之上 ，如圖7所示，然後另一圓周端部位13B位於圓周端部位 13A的徑向外側，如圖8所示。在此狀態之下，該重疊部 位14的範圍在圓周方向上是定在至少30mm，最好是 30mm到40mm ’以在輪胎硬化之後可以維持一足夠的重疊 寬度。 __ 12_ —_ 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) ·· ^OJ· n n n n n n n I n i n n i— n n n 508319 A7 _ __ B7___ 五、發明說明（P ) 再者，在纏繞於輪胎製造圓筒20的圓柱外表面上的抗 黏附片B以及包裝片5之上，該密封片12是以圖9所示 方式纏繞其上。在本實施例中，寬度的大小依序是抗黏附 片13<包裝片5<密封片12。如圖9所示，該包裝片5的兩 個軸邊緣部分從抗黏附片13所凸出，而與該密封片12相 接觸，使得在輪胎硬化期間藉由熱量可以將包裝片5以及 塡充片12的橡膠融合在一起。由每一個軸邊緣所凸出的 L0是設定在4.0mm到10.0mm之間，最好是5.0mm到 7.0mm之間，如上所解釋。 再者，如圖10所示，在輪胎製造圓筒20的圓柱狀態 之下，一胎體8(胎體簾布層8a)纏繞在內襯墊橡膠(5以及 12)之上，安置胎唇尖頂橡膠11以及胎唇核心10，以及纏 繞其他橡膠層或強化繩索層（如果有的話）。然後藉著擴張 該輪胎製造圓筒20，這個組合物會形成環形的(toroidal)形 狀1A，並且一胎面橡膠2G、一皮帶簾布層9a以及類似者 進一步施加在其上。同時，胎體簾布層的邊緣乃繞在胎唇 核心10，並且也可以施加側壁橡膠3G以及類似者。藉此 ，該生胚的輪胎就完成了。 該生胚的輪胎置於一模之中，以及施加熱以及壓力以 硬化該輪胎。結果，該包裝片5的軸邊緣部位與密封片12 結合，但是抗黏附片13所在的中間部位並不會與其結合。 在硬化後，輪胎自模中取出，一事前決定好量的自行 密封材料6藉著使用一注入器22，經由注入孔15而注入 位於密封片12以及包裝片5之間的未結合部位5b ’如圖 ___13 — —- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) --------訂•丨 i I— US ϋ nt m I an flu 508319 A7 五、發明說明（Π ) 11所示。 在自行密封材料6注入之後，該注入孔15藉著使用一 橡膠或類似的嵌片封閉起來，以及藉由一黏著劑來進行修 補。 因此，一層具有特定厚度的自行密封材料6會沿著胎 面部位2的徑向內部而形成。 如圖4A以及4B所示，當抗黏附片13以及相鄰的橡 膠承受一拉伸應力，以及由於抗黏附片的延展比例是小於 該橡膠而造成重疊部位14的大小⑴減少的時候，因爲在抗 黏附片13外側的橡膠含量是非常大，其厚度的改變(減少) 就可以忽略。然而，在抗黏附片13的內側，因橡膠含量是 非常少，使得厚度的減少(D)有時就無法忽略。如果該徑向 向內的圓周端13A的傾斜角度是小於30。的話，則薄的部 分(D)會集中，造成其厚度會更進一步減少。因此，這個部 位就容易變成一個弱點，並且有可能會破壞輪胎的均勻性 。因此在本發明之中，該徑向向內的圓周端13A是傾斜在 一特定角度Θ，以便可以圓周地分散這種可能的厚度減少 (D)。再者，在本實施例中，爲了防止厚度的減少(D)，事 先將補充橡膠帶19置於其中。做爲該補充椽膠帶19的另 一種選擇的是：當該包裝片5的圓周邊緣與抗黏附片13的 邊緣16以相同角度傾斜時，可以使用包裝片5的接合部位 或向內相鄰之橡膠層，並且該抗黏附片13的邊緣16是置 於該接合部位中。 由以上的描述可以知道，不是必然一定要將徑向向外 ____L4 _----- 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) # 訂-IL-----線- 508319 A7 _ B7 五、發明說明（/>) 的圓周端13B的邊緣16傾斜一角度Θ。其傾斜的角度可 以少於30。，譬如0。。然而就輪胎的均勻性來看，該徑向 向外的圚-周端13B的邊緣也傾斜一相同的角度Θ。 在以上所說明的實施例中，該具有一狹窄條寬的包裝 片5乃放置於密封片12之內側。然而，其相對關係是可以 逆轉的。也就是說，該具有一狹窄條寬的包裝片5可以置 於密封片12之外側。在這個例子中，抗黏附片13還是置 於兩者之間。當然，在這個例子中，上述關於纏繞包裝片 5以及密封片12的位置以及順序必須對應地逆轉。 製作大小爲3.0-10.0的摩托車輪胎’並檢查在包裝片 的裂縫以及包裝片厚度的減少。這些輪胎除了抗黏附片以 外都有相同的結構。該胎體由兩簾布層的2/940 dtex尼龍 繩索層組成，其以43(/5cm)的繩索數目而相對於輪胎的 均分線安排成+42。以及-42° ’以及繞在胎唇核心上。在此 並未使用胎面強化皮帶。其測試結果如表2所示。 (請先閱讀背面之注音？事項再填寫本頁) # 訂----^-----線· 表2 輪胎 參考____ 範例1 範例2 抗黏附片 材料 聚氟乙烯 聚氟乙烯 聚氟乙烯 邊緣傾斜角度 內側(度） 0 30 30 外側(度） 0 30 30 重疊部位(mm) 30 30 30 補充橡膠帶 無 Μ j\\\ 有 厚度(mm) - 0.5 寬度(mm) - 10 測試結果 包裝片 15_ 本紙張尺度適用中國國家標準（CNS)A4規格（21^X 297公釐） 508319 A7 B7 五、發明說明（〇 ) 裂縫(%)n 30 0 0 厚度減少(％)*1 100 40 0 1* :發生率 從這些測試中可以確定的是’在根據本發明的輪胎中 ，該袋狀部位可以準確地形成而且沒有裂縫’雖然該參考 輪胎的袋狀部位撕裂情形是。 如上所述，在本發明中使用抗黏附片。因此，就可以 容易地控制未結合部位5b以及結合部位5a的寬度，而可 以準確地形成袋狀部位。因此，一有效的密封層就可以穩 固地形成。再者，該抗黏附片可以保護內向相鄰的橡膠層 避免被釘子或類似物體刺破該胎面橡膠，如果凸刺的長度 不會太大的話，以及該自行密封材料可以防止洩漏和不滿 。因此，可以改善輪胎的均与性。 L-—--- -16 木紙張尺度適用中國國家標準（CNS)A4規袼（210 X 297公釐） (請先閱讀臂面之注意事項再填寫本頁) 訂、：The self-sealing material 6 is a viscous material. It is suitable for normal paper temperature (20 ° C ______11 ___). This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm). (Please read the note on the back? Matters before (Fill this page); · Order "* --- l · ----- line—should be 508319 B7 V. Description of the invention (7)) is liquid, and has a viscosity coefficient from 2 ° C at 2 ° C .〇 to 10.0 mPa-S, which can seal the perforation in the wide temperature range of -2 (TC to 60 ° C.) After the tire is hardened, in order to inject the above-mentioned self-sealing material into the bag-shaped portion, inwardly adjacent The rubber layer (the packaging sheet 5 in this embodiment) penetrates an injection hole 15 in advance. First, the above-mentioned packaging sheet 5 is formed by cutting a rubber sheet of a specific length and width as shown in FIG. 5. During or after cutting, a through-hole 15 having a diameter between 2 mm and 8 mm is formed at a center position in the width direction of the packaging sheet 5. The packaging sheet 5 is wound around a cylindrical outer surface of a tire manufacturing cylinder 20, and the The circumferential ends are joined together. As shown in FIG. Short supplementary rubber band 19. The supplementary rubber band 19 is made of the same material as the packaging sheet 5, and its thickness is set between 0.5mm and 2.0mm. The inclination of the supplementary rubber band 19 and the anti-adhesion sheet 13 The edge 16 of the peripheral end portion 13A is the same. Next, the adhesive sheet 13 is wound on the packaging sheet 5 so that the inclined edge 16 of the peripheral end portion 13A is placed on the supplementary rubber band 19, as shown in the figure. 7 and then another circumferential end portion 13B is located radially outside the circumferential end portion 13A, as shown in Figure 8. In this state, the range of the overlapping portion 14 is set at least 30 mm in the circumferential direction, and Fortunately, 30mm to 40mm 'in order to maintain a sufficient overlap width after the tire is hardened. __ 12_ —_ This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back first (Fill in this page again.) ·· ^ OJ · nnnnnnn I ninni— nnn 508319 A7 _ __ B7___ V. Description of the Invention (P) Furthermore, the anti-adhesive sheet B wrapped on the cylindrical outer surface of the tire manufacturing cylinder 20 and packaging Above sheet 5, the sealing sheet 1 2 is wound thereon in the manner shown in Fig. 9. In this embodiment, the width is sequentially the anti-adhesive sheet 13 < the packaging sheet 5 < the sealing sheet 12. As shown in Fig. 9, two of the packaging sheet 5 The shaft edge part protrudes from the anti-adhesion sheet 13 and comes into contact with the sealing sheet 12 so that the rubber of the packaging sheet 5 and the filling sheet 12 can be fused together by heat during tire hardening. From each shaft edge The protruding L0 is set between 4.0mm and 10.0mm, preferably between 5.0mm and 7.0mm, as explained above. Furthermore, as shown in FIG. 10, under the cylindrical state of the tire manufacturing cylinder 20, a carcass 8 (carcass ply 8a) is wound on the inner cushion rubber (5 and 12), and the tip of the tire lip is placed. Rubber 11 and bead core 10, and other rubber layers or reinforced rope layers, if any. Then by expanding the tire manufacturing cylinder 20, this composition will form a toroidal shape 1A, and a tread rubber 2G, a belt ply 9a, and the like are further applied thereon. At the same time, the edges of the carcass ply are wound around the core of the bead lip 10, and the side wall rubber 3G and the like can also be applied. With this, the raw tire is completed. The green tire is placed in a mold, and heat and pressure are applied to harden the tire. As a result, the shaft edge portion of the packaging sheet 5 is combined with the sealing sheet 12, but the intermediate portion where the anti-adhesion sheet 13 is located is not combined with it. After hardening, the tire is taken out of the mold, and a good amount of self-sealing material 6 is determined in advance by using an injector 22 through the injection hole 15 to inject the unbonded portion 5b between the sealing sheet 12 and the packaging sheet 5 ′ Figure ___13 — —- This paper size is applicable to China National Standard (CNS) A4 specification (210 X 297 mm) (Please read the precautions on the back before filling this page) -------- Order • 丨i I— US ϋ nt m I an flu 508319 A7 5. The invention description (Π) 11 shows. After the self-sealing material 6 is injected, the injection hole 15 is closed by using a rubber or similar insert, and repaired by an adhesive. Therefore, a layer of the self-sealing material 6 having a specific thickness is formed along the radial inside of the tread portion 2. As shown in FIGS. 4A and 4B, when the anti-adhesive sheet 13 and the adjacent rubber are subjected to a tensile stress, and because the extension ratio of the anti-adhesive sheet is smaller than the rubber, the size of the overlapping portion 14 decreases, because The rubber content on the outside of the anti-adhesive sheet 13 is very large, and the change (decrease) in its thickness can be ignored. However, since the rubber content is very small inside the anti-adhesive sheet 13, the reduction in thickness (D) sometimes cannot be ignored. If the inclination angle of the radially inward circumferential end 13A is less than 30. If it is, the thin portion (D) will be concentrated, resulting in a further reduction in its thickness. Therefore, this part easily becomes a weak point, and it may damage the uniformity of the tire. Therefore, in the present invention, the radially inward circumferential end 13A is inclined at a specific angle Θ so that this possible thickness reduction (D) can be dispersed circumferentially. Furthermore, in this embodiment, in order to prevent the reduction in thickness (D), the supplementary rubber tape 19 is placed therein in advance. As another option of the supplementary adhesive tape 19, when the peripheral edge of the packaging sheet 5 and the edge 16 of the anti-adhesive sheet 13 are inclined at the same angle, the joint portion of the packaging sheet 5 or the inward adjacent one A rubber layer, and the edge 16 of the anti-adhesive sheet 13 is placed in the joint. It can be known from the above description that it is not necessary to radiate outward ____L4 _----- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) (Please read the note on the back first Please fill in this page again for details) # --IL ----- 线-508319 A7 _ B7 V. The edge 16 of the circumferential end 13B of the description of the invention (/ >) is inclined by an angle Θ. It can be tilted at less than 30 degrees. , Such as 0. . However, from the viewpoint of the uniformity of the tire, the edge of the radially outward 圚 -peripheral end 13B is also inclined by the same angle Θ. In the embodiment described above, the packaging sheet 5 having a narrow strip width is placed inside the sealing sheet 12. However, their relative relationship can be reversed. That is, the packaging sheet 5 having a narrow strip width can be placed outside the sealing sheet 12. In this example, the anti-adhesive sheet 13 is still interposed therebetween. Of course, in this example, the position and order of the wrapping sheet 5 and the sealing sheet 12 described above must be reversed accordingly. A motorcycle tire 'having a size of 3.0 to 10.0 was produced, and the cracks in the packaging sheet and the reduction in the thickness of the packaging sheet were examined. These tires have the same structure except the anti-adhesive sheet. The carcass is composed of two ply 2/940 dtex nylon rope layers, which are arranged with a number of ropes of 43 (/ 5 cm) relative to the tire's average line to +42. And -42 ° ′ and around the core of the bead. Tread reinforcement belts are not used here. The test results are shown in Table 2. (Please read the phonetic on the back? Matters before filling out this page) # Order ---- ^ ----- Line · Table 2 Tire Reference ____ Example 1 Example 2 Anti-adhesive sheet material polyvinyl fluoride polyvinyl fluoride polyfluoride Vinyl edge inclination angle inside (degrees) 0 30 30 outside (degrees) 0 30 30 overlapping parts (mm) 30 30 30 supplementary rubber tape without Μ j \\\ thickness (mm)-0.5 width (mm)-10 test results Packaging sheet 15_ This paper size is in accordance with China National Standard (CNS) A4 (21 ^ X 297 mm) 508319 A7 B7 V. Description of the invention (〇) Cracks (%) n 30 0 0 Thickness reduction (%) * 1 100 40 0 1 *: The incidence can be determined from these tests: 'In the tire according to the present invention, the bag-shaped portion can be formed accurately without cracks' although the case of the bag-shaped portion of the reference tire is torn. As described above, an anti-adhesive sheet is used in the present invention. Therefore, the width of the unbonded portion 5b and the bonded portion 5a can be easily controlled, and the bag-shaped portion can be accurately formed. Therefore, an effective sealing layer can be formed stably. Furthermore, the anti-adhesive sheet can protect the inwardly adjacent rubber layers from being punctured by nails or similar objects, if the length of the ridges is not too large, and the self-sealing material can prevent leakage and dissatisfaction. Therefore, the uniformity of the tire can be improved. L -—--- -16 The size of wood paper is applicable to Chinese National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the arm surface before filling this page) Order ,: